Series III Stage 1s and coillers have a different bush setup, as they have CV joints.
There are 2 or more types. countys and 80's (and earlier) RRCs run one thet looks something like this: https://www.aulro.com/afvb/
Which is easy to replace.
Later versions have a seperate inner and outer bush:
https://www.aulro.com/afvb/
The inner is a bit of a PITA to remove.

